PDF Document Signer (Client-Side e-Sign)

Electronically sign PDF documents directly in your web browser with 100% file privacy.

Key Features

• Direct in-memory PDF manipulation with pdf-lib
• Zero server uploads (sensitive contracts never leave device)
• Clean vector signature embedding
• Instant signed PDF download

Frequently Asked Questions

Is my PDF uploaded to any external server during signing?

No! The PDF is read, modified, and saved entirely inside your web browser memory. No data is ever transmitted over the network.